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stream_garble_test.go
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//
// Copyright (c) 2020-2023 Markku Rossi
//
// All rights reserved.
//
package circuit
import (
"testing"
"time"
"github.com/markkurossi/mpc/ot"
)
func BenchmarkGarbleXOR(b *testing.B) {
benchmarkGate(b, newGate(XOR))
}
func BenchmarkGarbleXNOR(b *testing.B) {
benchmarkGate(b, newGate(XNOR))
}
func BenchmarkGarbleAND(b *testing.B) {
benchmarkGate(b, newGate(AND))
}
func BenchmarkGarbleOR(b *testing.B) {
benchmarkGate(b, newGate(OR))
}
func BenchmarkGarbleINV(b *testing.B) {
benchmarkGate(b, newGate(INV))
}
func newGate(op Operation) *Gate {
return &Gate{
Input0: 0,
Input1: 1,
Output: 2,
Op: op,
}
}
func benchmarkGate(b *testing.B, g *Gate) {
var key [16]byte
inputs := []Wire{0, 1}
outputs := []Wire{2}
stream, err := NewStreaming(key[:], inputs, nil)
if err != nil {
b.Fatalf("failed to init streaming: %s", err)
}
stream.wires = []ot.Wire{{}, {}, {}}
stream.in = inputs
stream.out = outputs
stream.firstTmp = 2
stream.firstOut = 2
var id uint32
var data ot.LabelData
var table [4]ot.Label
b.ResetTimer()
for i := 0; i < b.N; i++ {
var buf [128]byte
var bufpos int
err = stream.garbleGate(g, &id, table[:], &data, buf[:], &bufpos)
if err != nil {
b.Fatalf("garble failed: %s", err)
}
}
}
func BenchmarkEncodeWire32(b *testing.B) {
var buf [64]byte
for i := 0; i < b.N; i++ {
var pos int
bufpos := &pos
var aIndex = Wire(i)
var bIndex = Wire(i * 2)
var cIndex = Wire(i * 4)
var op byte
buf[*bufpos] = op
*bufpos = *bufpos + 1
bo.PutUint32(buf[*bufpos+0:], uint32(aIndex))
bo.PutUint32(buf[*bufpos+4:], uint32(bIndex))
bo.PutUint32(buf[*bufpos+8:], uint32(cIndex))
*bufpos = *bufpos + 12
}
}
func BenchmarkEncodeWire16_32(b *testing.B) {
var buf [64]byte
for i := 0; i < b.N; i++ {
var pos int
bufpos := &pos
var aIndex = Wire(i)
var bIndex = Wire(i * 2)
var cIndex = Wire(i * 4)
var op byte
if aIndex <= 0xffff && bIndex <= 0xffff && cIndex <= 0xffff {
op |= 0b00010000
buf[*bufpos] = op
*bufpos = *bufpos + 1
bo.PutUint16(buf[*bufpos+0:], uint16(aIndex))
bo.PutUint16(buf[*bufpos+2:], uint16(bIndex))
bo.PutUint16(buf[*bufpos+4:], uint16(cIndex))
*bufpos = *bufpos + 6
} else {
buf[*bufpos] = op
*bufpos = *bufpos + 1
bo.PutUint32(buf[*bufpos+0:], uint32(aIndex))
bo.PutUint32(buf[*bufpos+4:], uint32(bIndex))
bo.PutUint32(buf[*bufpos+8:], uint32(cIndex))
*bufpos = *bufpos + 12
}
}
}
func BenchmarkEncodeWire8_16_24_32(b *testing.B) {
var buf [64]byte
for i := 0; i < b.N; i++ {
var pos int
bufpos := &pos
var aIndex = Wire(i)
var bIndex = Wire(i * 2)
var cIndex = Wire(i * 4)
var op byte
if aIndex <= 0xff && bIndex <= 0xff && cIndex <= 0xff {
buf[*bufpos] = op
*bufpos = *bufpos + 1
buf[*bufpos+0] = byte(aIndex)
buf[*bufpos+1] = byte(bIndex)
buf[*bufpos+2] = byte(cIndex)
*bufpos = *bufpos + 3
} else if aIndex <= 0xffff && bIndex <= 0xffff && cIndex <= 0xffff {
op |= 0b00010000
buf[*bufpos] = op
*bufpos = *bufpos + 1
bo.PutUint16(buf[*bufpos+0:], uint16(aIndex))
bo.PutUint16(buf[*bufpos+2:], uint16(bIndex))
bo.PutUint16(buf[*bufpos+4:], uint16(cIndex))
*bufpos = *bufpos + 6
} else if aIndex <= 0xffffff && bIndex <= 0xffffff && cIndex <= 0xffffff {
op |= 0b00100000
buf[*bufpos] = op
*bufpos = *bufpos + 1
PutUint24(buf[*bufpos+0:], uint32(aIndex))
PutUint24(buf[*bufpos+3:], uint32(bIndex))
PutUint24(buf[*bufpos+6:], uint32(cIndex))
*bufpos = *bufpos + 9
} else {
op |= 0b00110000
buf[*bufpos] = op
*bufpos = *bufpos + 1
bo.PutUint32(buf[*bufpos+0:], uint32(aIndex))
bo.PutUint32(buf[*bufpos+4:], uint32(bIndex))
bo.PutUint32(buf[*bufpos+8:], uint32(cIndex))
*bufpos = *bufpos + 12
}
}
}
func PutUint24(b []byte, v uint32) {
b[0] = byte(v >> 16)
b[1] = byte(v >> 8)
b[2] = byte(v)
}
func BenchmarkEncodeWire7var(b *testing.B) {
var buf [64]byte
for i := 0; i < b.N; i++ {
var pos int
bufpos := &pos
var aIndex = Wire(i)
var bIndex = Wire(i * 2)
var cIndex = Wire(i * 4)
var op byte
buf[*bufpos] = op
*bufpos = *bufpos + 1
*bufpos += encode7varRev(buf[*bufpos:], uint32(aIndex))
*bufpos += encode7varRev(buf[*bufpos:], uint32(bIndex))
*bufpos += encode7varRev(buf[*bufpos:], uint32(cIndex))
}
}
func encode7var(b []byte, v uint32) int {
if v <= 0b01111111 {
b[0] = byte(v)
return 1
} else if v <= 0b01111111_1111111 {
b[0] = byte(v >> 7)
b[1] = byte(v)
return 2
} else if v <= 0b01111111_1111111_1111111 {
b[0] = byte(v >> 14)
b[1] = byte(v >> 7)
b[2] = byte(v)
return 3
} else if v <= 0b01111111_1111111_1111111_1111111 {
b[0] = byte(v >> 21)
b[1] = byte(v >> 14)
b[2] = byte(v >> 7)
b[3] = byte(v)
return 4
} else {
b[0] = byte(v >> 28)
b[1] = byte(v >> 21)
b[2] = byte(v >> 14)
b[3] = byte(v >> 7)
b[4] = byte(v)
return 5
}
}
func encode7varRev(b []byte, v uint32) int {
if v > 0b01111111_1111111_1111111_1111111 {
b[0] = byte(v >> 28)
b[1] = byte(v >> 21)
b[2] = byte(v >> 14)
b[3] = byte(v >> 7)
b[4] = byte(v)
return 5
} else if v > 0b01111111_1111111_1111111 {
b[0] = byte(v >> 21)
b[1] = byte(v >> 14)
b[2] = byte(v >> 7)
b[3] = byte(v)
return 4
} else if v > 0b01111111_1111111 {
b[0] = byte(v >> 14)
b[1] = byte(v >> 7)
b[2] = byte(v)
return 3
} else if v > 0b01111111 {
b[0] = byte(v >> 7)
b[1] = byte(v)
return 2
} else {
b[0] = byte(v)
return 1
}
}
func BenchmarkEncodeWire7varInline(b *testing.B) {
var buf [64]byte
for i := 0; i < b.N; i++ {
var pos int
bufpos := &pos
var aIndex = Wire(i)
var bIndex = Wire(i * 2)
var cIndex = Wire(i * 4)
var op byte
buf[*bufpos] = op
*bufpos = *bufpos + 1
if aIndex <= 0b01111111 &&
bIndex <= 0b01111111 &&
cIndex <= 0b01111111 {
encode7var1(buf[*bufpos+0:], uint32(aIndex))
encode7var1(buf[*bufpos+1:], uint32(bIndex))
encode7var1(buf[*bufpos+2:], uint32(cIndex))
*bufpos += 3
} else if aIndex <= 0b01111111_1111111 &&
bIndex <= 0b01111111_1111111 &&
cIndex <= 0b01111111_1111111 {
encode7var2(buf[*bufpos+0:], uint32(aIndex))
encode7var2(buf[*bufpos+2:], uint32(bIndex))
encode7var2(buf[*bufpos+4:], uint32(cIndex))
*bufpos += 6
} else if aIndex <= 0b01111111_1111111_1111111 &&
bIndex <= 0b01111111_1111111_1111111 &&
cIndex <= 0b01111111_1111111_1111111 {
encode7var3(buf[*bufpos+0:], uint32(aIndex))
encode7var3(buf[*bufpos+3:], uint32(bIndex))
encode7var3(buf[*bufpos+6:], uint32(cIndex))
*bufpos += 9
} else if aIndex <= 0b01111111_1111111_1111111_1111111 &&
bIndex <= 0b01111111_1111111_1111111_1111111 &&
cIndex <= 0b01111111_1111111_1111111_1111111 {
encode7var4(buf[*bufpos+0:], uint32(aIndex))
encode7var4(buf[*bufpos+4:], uint32(bIndex))
encode7var4(buf[*bufpos+8:], uint32(cIndex))
*bufpos += 12
} else {
encode7var5(buf[*bufpos+0:], uint32(aIndex))
encode7var5(buf[*bufpos+5:], uint32(bIndex))
encode7var5(buf[*bufpos+10:], uint32(cIndex))
*bufpos += 15
}
}
}
func encode7var1(b []byte, v uint32) {
b[0] = byte(v)
}
func encode7var2(b []byte, v uint32) {
b[0] = byte(v >> 7)
b[1] = byte(v)
}
func encode7var3(b []byte, v uint32) {
b[0] = byte(v >> 14)
b[1] = byte(v >> 7)
b[2] = byte(v)
}
func encode7var4(b []byte, v uint32) {
b[0] = byte(v >> 21)
b[1] = byte(v >> 14)
b[2] = byte(v >> 7)
b[3] = byte(v)
}
func encode7var5(b []byte, v uint32) {
b[0] = byte(v >> 28)
b[1] = byte(v >> 21)
b[2] = byte(v >> 14)
b[3] = byte(v >> 7)
b[4] = byte(v)
}
func BenchmarkTimeDuration(b *testing.B) {
var total time.Duration
for i := 0; i < b.N; i++ {
start := time.Now()
total += time.Now().Sub(start)
}
}